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b7d286b6 | 1 | /** @file\r |
109e9a61 LG |
2 | This sample application bases on HelloWorld PCD setting \r |
3 | to print "UEFI Hello World!" to the UEFI Console.\r | |
4 | \r | |
0d4a6c3d | 5 | Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>\r |
cd5ebaa0 | 6 | This program and the accompanying materials \r |
b7d286b6 | 7 | are licensed and made available under the terms and conditions of the BSD License \r |
8 | which accompanies this distribution. The full text of the license may be found at \r | |
9 | http://opensource.org/licenses/bsd-license.php \r | |
10 | \r | |
11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r | |
13 | \r | |
14 | **/\r | |
15 | \r | |
ab9140c8 | 16 | #include <Uefi.h>\r |
223c22d8 | 17 | #include <Library/PcdLib.h>\r |
ab9140c8 A |
18 | #include <Library/UefiLib.h>\r |
19 | #include <Library/UefiApplicationEntryPoint.h>\r | |
b7d286b6 | 20 | \r |
0d4a6c3d QS |
21 | //\r |
22 | // String token ID of help message text.\r | |
23 | // Shell supports to find help message in the resource section of an application image if\r | |
24 | // .MAN file is not found. This global variable is added to make build tool recognizes\r | |
25 | // that the help string is consumed by user and then build tool will add the string into\r | |
26 | // the resource section. Thus the application can use '-?' option to show help message in\r | |
27 | // Shell.\r | |
28 | //\r | |
29 | GLOBAL_REMOVE_IF_UNREFERENCED EFI_STRING_ID mStringHelpTokenId = STRING_TOKEN (STR_HELLO_WORLD_HELP_INFORMATION);\r | |
b9575d60 A |
30 | \r |
31 | /**\r | |
32 | The user Entry Point for Application. The user code starts with this function\r | |
109e9a61 | 33 | as the real entry point for the application.\r |
b9575d60 A |
34 | \r |
35 | @param[in] ImageHandle The firmware allocated handle for the EFI image. \r | |
36 | @param[in] SystemTable A pointer to the EFI System Table.\r | |
37 | \r | |
38 | @retval EFI_SUCCESS The entry point is executed successfully.\r | |
39 | @retval other Some error occurs when executing this entry point.\r | |
40 | \r | |
41 | **/\r | |
b7d286b6 | 42 | EFI_STATUS\r |
43 | EFIAPI\r | |
44 | UefiMain (\r | |
45 | IN EFI_HANDLE ImageHandle,\r | |
46 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
47 | )\r | |
b7d286b6 | 48 | {\r |
223c22d8 LG |
49 | UINT32 Index;\r |
50 | \r | |
51 | Index = 0;\r | |
b7d286b6 | 52 | \r |
223c22d8 LG |
53 | //\r |
54 | // Three PCD type (FeatureFlag, UINT32 and String) are used as the sample.\r | |
55 | //\r | |
56 | if (FeaturePcdGet (PcdHelloWorldPrintEnable)) {\r | |
57 | for (Index = 0; Index < PcdGet32 (PcdHelloWorldPrintTimes); Index ++) {\r | |
109e9a61 LG |
58 | //\r |
59 | // Use UefiLib Print API to print string to UEFI console\r | |
60 | //\r | |
223c22d8 LG |
61 | Print ((CHAR16*)PcdGetPtr (PcdHelloWorldPrintString));\r |
62 | }\r | |
63 | }\r | |
b7d286b6 | 64 | \r |
65 | return EFI_SUCCESS;\r | |
66 | }\r |